Answer:
Hello Again!!
Your answers are:
Step-by-step explanation:
You cannot see a Virus with the Naked Eye...a microscope is needed! BUT IT IS an example of MATTER!
Air is matter too but again, YOU CANT SEE IT WITH THE NAKED EYE!
Matter : ANYTHING that has a VOLUME, MASS and TAKES UP ANY SPACE
I HOPE THIS HELPED WITH YOUR WORK!
:D